Job Specifications
At Kepler Communications, we're not just imagining the future of connectivity - we're leading it!
Our mission is to provide real-time Internet access in space, enabling a new era of data-driven exploration and innovation. With 23 satellites already launched and a next-generation optical network on the way, we’re creating the infrastructure that will power the space economy for decades to come.
Technology is only part of the story. What sets Kepler apart is our team: bold thinkers, skilled builders, and passionate problem-solvers who thrive on pushing the boundaries of what’s possible in space. We believe great ideas come from diverse perspectives, and we’re committed to creating an environment where you can grow, lead, and make a global impact.
If you’re ready to reach higher, move faster, and do work that shapes the future space economy - this is your launchpad. Come build the future with Kepler!
What We Offer:
- Competitive compensation with a robust equity plan to share in our success.
- Comprehensive coverage for health, dental, and vision insurance—including dependents.
- Unlimited vacation, supportive parental leave policy, and company-wide holiday shutdown.
- Semi-annual company-wide parties and frequent in-office team events.
- Relocation packages available for approved roles.
- $1,500 annual professional development fund to support your growth.
- Fully stocked Toronto office kitchen with snacks, drinks, games and top-notch kitchen appliances.
- Town Halls, Celebration Calls, and Company-wide events to stay connected and engaged.
- We’re a certified Great Place to Work®, five years in a row!
Kepler is seeking a Senior Network Administrator to join our Information Technology team. In this role, you will design, operate, and secure our enterprise and cloud networks, ensuring performance, scalability, and reliability for mission-critical systems. You will drive modernization and automation initiatives, work closely with network architects, and collaborate with internal teams and external providers to deliver a resilient, future-ready network.
Key Responsibilities:
This is a hybrid role and has a minimum requirement of 2+ days in the Toronto office per week.
Network Design & Operations
Design, implement, and maintain secure and scalable enterprise and cloud networking infrastructure
Configure and manage routing, switching, firewalls, VPNs, load balancers, and transport networks.
Administer core network services such as DHCP, VLANs, dynamic routing protocols, SD-WAN, etc
Deploy and manage Arista, Fortinet, and other network devices
Support structured cabling systems (fiber, copper) and maintain up-to-date network topology diagrams
Work with network vendors and service providers to deliver resilient and high-performance connectivity
Monitoring, Performance & Troubleshooting
Operate and improve the network monitoring stack to alert on faults, performance, capacity, and security issues
Proactively monitor and optimize network health, capacity, and throughput
Lead root cause analysis and resolution of complex incidents
Utilize advanced diagnostic tools and network management platforms (e.g., Wireshark, tcpdump, NetDisco, Eve-NG, Netbox) to investigate and resolve issues
Security & Compliance
Implement and enforce network security policies, segmentation, and access controls
Configure and support encryption and tunneling protocols (WireGuard/Tailscale, IPsec, SSL VPNs)
Collaborate with security teams on vulnerability management, audits, and incident response
Ensure alignment with ITIL-based practices for Change, Incident, and Problem Management
Automation & Infrastructure as Code
Manage networks programmatically, avoiding manual CLI-driven changes
Automate network provisioning and configuration with Ansible, Python, Bash, or similar tools
Use Infrastructure as Code (IaC) to deploy and manage repeatable, scalable network infrastructure
Integrate networking workflows with CI/CD pipelines (e.g. GitLab CI) to validate and test configurations
Contribute to the adoption of software-defined networking (SDN) technologies such as Arista CloudVision
Collaboration & Documentation
Partner with network architects to scale and evolve the terrestrial and cloud network that connects ground stations, user segments, and the core
Work cross-functionally with Networking, engineering, and operations to deliver resilient solutions
Maintain comprehensive network documentation, diagrams, and runbooks
Mentor junior staff and share knowledge across the team
Coordinate with vendors, contractors, and facilities during deployments and upgrades
Required Skills & Qualifications:
Bachelor’s degree in Computer Science, Information Technology, Engineering, or equivalent practical experience
5+ years of hands-on experience supporting mission-critical networks
Deep protocol knowledge of TCP/IP, routing (BGP, OSPF), IPv4/IPv6, VLANs, spanning-tree
Proven experience with enterprise-grade networking devices (e.g., Cisco,